40147777376 has 24 divisors (see below), whose sum is σ = 90332499600. Its totient is φ = 17206190208.

The previous prime is 40147777297. The next prime is 40147777379. The reversal of 40147777376 is 67377774104.

It is a super-2 number, since 2×40147777376² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40147777379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89615351 + ... + 89615798.

It is an arithmetic number, because the mean of its divisors is an integer number (3763854150).

Almost surely, 2^40147777376 is an apocalyptic number.

It is an amenable number.

40147777376 is an abundant number, since it is smaller than the sum of its proper divisors (50184722224).

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

40147777376 is a wasteful number, since it uses less digits than its factorization.

40147777376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179231166 (or 179231158 counting only the distinct ones).

The product of its (nonzero) digits is 4840416, while the sum is 53.

The spelling of 40147777376 in words is "forty billion, one hundred forty-seven million, seven hundred seventy-seven thousand, three hundred seventy-six".