10642256402620 has 48 divisors (see below), whose sum is σ = 22371270588576. Its totient is φ = 4252611456000.

The previous prime is 10642256402611. The next prime is 10642256402629. The reversal of 10642256402620 is 2620465224601.

It is an interprime number because it is at equal distance from previous prime (10642256402611) and next prime (10642256402629).

It is a super-2 number, since 2×10642256402620² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642256402629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416334640 + ... + 416360200.

It is an arithmetic number, because the mean of its divisors is an integer number (466068137262).

Almost surely, 2^{10642256402620} is an apocalyptic number.

10642256402620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10642256402620 is an abundant number, since it is smaller than the sum of its proper divisors (11729014185956).

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

10642256402620 is a wasteful number, since it uses less digits than its factorization.

10642256402620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45742 (or 45740 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 10642256402620 in words is "ten trillion, six hundred forty-two billion, two hundred fifty-six million, four hundred two thousand, six hundred twenty".