40007437042 has 16 divisors (see below), whose sum is σ = 61099044480. Its totient is φ = 19642973328.

The previous prime is 40007436983. The next prime is 40007437051. The reversal of 40007437042 is 24073470004.

It is a junction number, because it is equal to n+sod(n) for n = 40007436995 and 40007437013.

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, 428442 + ... + 513397.

It is an arithmetic number, because the mean of its divisors is an integer number (3818690280).

Almost surely, 2^40007437042 is an apocalyptic number.

40007437042 is a deficient number, since it is larger than the sum of its proper divisors (21091607438).

40007437042 is a wasteful number, since it uses less digits than its factorization.

40007437042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942225.

The product of its (nonzero) digits is 18816, while the sum is 31.

The spelling of 40007437042 in words is "forty billion, seven million, four hundred thirty-seven thousand, forty-two".