7426857010254 has 128 divisors (see below), whose sum is σ = 17587713669120. Its totient is φ = 2066219280000.

The previous prime is 7426857010253. The next prime is 7426857010271. The reversal of 7426857010254 is 4520107586247.

It is a super-2 number, since 2×7426857010254² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7426857010197 and 7426857010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426857010253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11327037 + ... + 11964759.

It is an arithmetic number, because the mean of its divisors is an integer number (137404013040).

Almost surely, 2^{7426857010254} is an apocalyptic number.

7426857010254 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7426857010254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8793856834560).

7426857010254 is an abundant number, since it is smaller than the sum of its proper divisors (10160856658866).

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

7426857010254 is a wasteful number, since it uses less digits than its factorization.

7426857010254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638046.

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 7426857010254 in words is "seven trillion, four hundred twenty-six billion, eight hundred fifty-seven million, ten thousand, two hundred fifty-four".