425016254040 has 128 divisors (see below), whose sum is σ = 1542916200960. Its totient is φ = 91432065024.

The previous prime is 425016254027. The next prime is 425016254053. The reversal of 425016254040 is 40452610524.

It is an interprime number because it is at equal distance from previous prime (425016254027) and next prime (425016254053).

It is a junction number, because it is equal to n+sod(n) for n = 425016253992 and 425016254010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14867242 + ... + 14895801.

It is an arithmetic number, because the mean of its divisors is an integer number (12054032820).

Almost surely, 2^425016254040 is an apocalyptic number.

425016254040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425016254040 is an abundant number, since it is smaller than the sum of its proper divisors (1117899946920).

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

425016254040 is a wasteful number, since it uses less digits than its factorization.

425016254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29763081 (or 29763077 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 425016254040 its reverse (40452610524), we get a palindrome (465468864564).

The spelling of 425016254040 in words is "four hundred twenty-five billion, sixteen million, two hundred fifty-four thousand, forty".