40156677 has 48 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 23049600.

The previous prime is 40156673. The next prime is 40156679. The reversal of 40156677 is 77665104.

It is not a de Polignac number, because 40156677 - 2² = 40156673 is a prime.

It is a super-2 number, since 2×40156677² = 3225117415364658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40156673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203743 + ... + 203939.

It is an arithmetic number, because the mean of its divisors is an integer number (1389960).

Almost surely, 2^40156677 is an apocalyptic number.

It is an amenable number.

40156677 is a deficient number, since it is larger than the sum of its proper divisors (26561403).

40156677 is a wasteful number, since it uses less digits than its factorization.

40156677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40156677 is about 6336.9296193030. The cubic root of 40156677 is about 342.4411307704.

The spelling of 40156677 in words is "forty million, one hundred fifty-six thousand, six hundred seventy-seven".