40040024442 has 64 divisors (see below), whose sum is σ = 92576856960. Its totient is φ = 11429196800.

The previous prime is 40040024407. The next prime is 40040024459. The reversal of 40040024442 is 24442004004.

It is a super-2 number, since 2×40040024442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176643 + ... + 333590.

It is an arithmetic number, because the mean of its divisors is an integer number (1446513390).

Almost surely, 2^40040024442 is an apocalyptic number.

40040024442 is an abundant number, since it is smaller than the sum of its proper divisors (52536832518).

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

40040024442 is a wasteful number, since it uses less digits than its factorization.

40040024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510319.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40040024442 its reverse (24442004004), we get a palindrome (64482028446).

The spelling of 40040024442 in words is "forty billion, forty million, twenty-four thousand, four hundred forty-two".