42630557484440 has 32 divisors (see below), whose sum is σ = 96195177294480. Its totient is φ = 17003081135232.

The previous prime is 42630557484407. The next prime is 42630557484451. The reversal of 42630557484440 is 4448475503624.

It is a super-2 number, since 2×42630557484440² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535669027 + ... + 1535696786.

Almost surely, 2^{42630557484440} is an apocalyptic number.

42630557484440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42630557484440 is an abundant number, since it is smaller than the sum of its proper divisors (53564619810040).

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

42630557484440 is a wasteful number, since it uses less digits than its factorization.

42630557484440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071366171 (or 3071366167 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 56.

The spelling of 42630557484440 in words is "forty-two trillion, six hundred thirty billion, five hundred fifty-seven million, four hundred eighty-four thousand, four hundred forty".