40042666948 has 12 divisors (see below), whose sum is σ = 70078739500. Its totient is φ = 20020169952.

The previous prime is 40042666931. The next prime is 40042666973. The reversal of 40042666948 is 84966624004.

40042666948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7993790464 + 32048876484 = 89408^2 + 179022^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211011 + ... + 353002.

Almost surely, 2^40042666948 is an apocalyptic number.

It is an amenable number.

40042666948 is a deficient number, since it is larger than the sum of its proper divisors (30036072552).

40042666948 is a wasteful number, since it uses less digits than its factorization.

40042666948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581766 (or 581764 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 40042666948 in words is "forty billion, forty-two million, six hundred sixty-six thousand, nine hundred forty-eight".