40769457994 has 4 divisors (see below), whose sum is σ = 61154186994. Its totient is φ = 20384728996.

The previous prime is 40769457983. The next prime is 40769458001. The reversal of 40769457994 is 49975496704.

40769457994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40555918225 + 213539769 = 201385^2 + 14613^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192364497 + ... + 10192364500.

Almost surely, 2^40769457994 is an apocalyptic number.

40769457994 is a deficient number, since it is larger than the sum of its proper divisors (20384729000).

40769457994 is a wasteful number, since it uses less digits than its factorization.

40769457994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384728999.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 40769457994 in words is "forty billion, seven hundred sixty-nine million, four hundred fifty-seven thousand, nine hundred ninety-four".