40556115 has 12 divisors (see below), whose sum is σ = 70297344. Its totient is φ = 21629904.

The previous prime is 40556111. The next prime is 40556119. The reversal of 40556115 is 51165504.

It is a happy number.

40556115 is a `hidden beast` number, since 40 + 5 + 5 + 611 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (40556111) and next prime (40556119).

It is not a de Polignac number, because 40556115 - 2² = 40556111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40556111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450579 + ... + 450668.

It is an arithmetic number, because the mean of its divisors is an integer number (5858112).

Almost surely, 2^40556115 is an apocalyptic number.

40556115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40556115 is a deficient number, since it is larger than the sum of its proper divisors (29741229).

40556115 is a wasteful number, since it uses less digits than its factorization.

40556115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901258 (or 901255 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 40556115 is about 6368.3683153536. The cubic root of 40556115 is about 343.5728060874.

The spelling of 40556115 in words is "forty million, five hundred fifty-six thousand, one hundred fifteen".