42996939544 has 32 divisors (see below), whose sum is σ = 87395747040. Its totient is φ = 19713312000.

The previous prime is 42996939541. The next prime is 42996939551. The reversal of 42996939544 is 44593969924.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42996939541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353277 + ... + 1384684.

It is an arithmetic number, because the mean of its divisors is an integer number (2731117095).

Almost surely, 2^42996939544 is an apocalyptic number.

It is an amenable number.

42996939544 is an abundant number, since it is smaller than the sum of its proper divisors (44398807496).

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

42996939544 is a wasteful number, since it uses less digits than its factorization.

42996939544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738131 (or 2738127 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 64.

The spelling of 42996939544 in words is "forty-two billion, nine hundred ninety-six million, nine hundred thirty-nine thousand, five hundred forty-four".