425292857262 has 640 divisors, whose sum is σ = 1261457455104. Its totient is φ = 104055570432.

The previous prime is 425292857261. The next prime is 425292857263. The reversal of 425292857262 is 262758292524.

425292857262 is a `hidden beast` number, since 4 + 2 + 5 + 2 + 9 + 2 + 8 + 572 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (425292857261) and next prime (425292857263).

It is a super-2 number, since 2×425292857262² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 425292857199 and 425292857208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425292857261) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 2203589838 + ... + 2203590030.

Almost surely, 2^425292857262 is an apocalyptic number.

425292857262 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 425292857262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630728727552).

425292857262 is an abundant number, since it is smaller than the sum of its proper divisors (836164597842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425292857262 is a wasteful number, since it uses less digits than its factorization.

425292857262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 405 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 425292857262 in words is "four hundred twenty-five billion, two hundred ninety-two million, eight hundred fifty-seven thousand, two hundred sixty-two".