42997224732 has 96 divisors (see below), whose sum is σ = 131666196480. Its totient is φ = 10580310720.

The previous prime is 42997224731. The next prime is 42997224763. The reversal of 42997224732 is 23742279924.

It is a super-2 number, since 2×42997224732² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42997224731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207018 + ... + 1242129.

It is an arithmetic number, because the mean of its divisors is an integer number (1371522880).

Almost surely, 2^42997224732 is an apocalyptic number.

42997224732 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42997224732 is an abundant number, since it is smaller than the sum of its proper divisors (88668971748).

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

42997224732 is a wasteful number, since it uses less digits than its factorization.

42997224732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449191 (or 2449189 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 42997224732 in words is "forty-two billion, nine hundred ninety-seven million, two hundred twenty-four thousand, seven hundred thirty-two".