40043162776 has 8 divisors (see below), whose sum is σ = 75080930220. Its totient is φ = 20021581384.

The previous prime is 40043162759. The next prime is 40043162779. The reversal of 40043162776 is 67726134004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043162779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502697666 + ... + 2502697681.

Almost surely, 2^40043162776 is an apocalyptic number.

It is an amenable number.

40043162776 is a deficient number, since it is larger than the sum of its proper divisors (35037767444).

40043162776 is a wasteful number, since it uses less digits than its factorization.

40043162776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005395353 (or 5005395349 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 40043162776 in words is "forty billion, forty-three million, one hundred sixty-two thousand, seven hundred seventy-six".