40056692 has 48 divisors (see below), whose sum is σ = 80840592. Its totient is φ = 17203200.

The previous prime is 40056691. The next prime is 40056697. The reversal of 40056692 is 29665004.

It can be written as a sum of positive squares in 8 ways, for example, as 38416 + 40018276 = 196^2 + 6326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40056691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99692 + ... + 100092.

It is an arithmetic number, because the mean of its divisors is an integer number (1684179).

Almost surely, 2^40056692 is an apocalyptic number.

It is an amenable number.

40056692 is an abundant number, since it is smaller than the sum of its proper divisors (40783900).

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

40056692 is a wasteful number, since it uses less digits than its factorization.

40056692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 40056692 is about 6329.0356295410. The cubic root of 40056692 is about 342.1566829916.

The spelling of 40056692 in words is "forty million, fifty-six thousand, six hundred ninety-two".