42971390952 has 64 divisors (see below), whose sum is σ = 124788144000. Its totient is φ = 12076266240.

The previous prime is 42971390947. The next prime is 42971390971. The reversal of 42971390952 is 25909317924.

It is a super-4 number, since 4×42971390952⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42971390895 and 42971390904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086327 + ... + 2106822.

It is an arithmetic number, because the mean of its divisors is an integer number (1949814750).

Almost surely, 2^42971390952 is an apocalyptic number.

42971390952 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42971390952 is an abundant number, since it is smaller than the sum of its proper divisors (81816753048).

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

42971390952 is a wasteful number, since it uses less digits than its factorization.

42971390952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193226 (or 4193222 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 42971390952 in words is "forty-two billion, nine hundred seventy-one million, three hundred ninety thousand, nine hundred fifty-two".