40379655 has 24 divisors (see below), whose sum is σ = 68195952. Its totient is φ = 20399616.

The previous prime is 40379611. The next prime is 40379657. The reversal of 40379655 is 55697304.

It is not a de Polignac number, because 40379655 - 2⁷ = 40379527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40379657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1687 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (2841498).

Almost surely, 2^40379655 is an apocalyptic number.

40379655 is a deficient number, since it is larger than the sum of its proper divisors (27816297).

40379655 is a wasteful number, since it uses less digits than its factorization.

40379655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503 (or 7484 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 40379655 is about 6354.4988000628. The cubic root of 40379655 is about 343.0737855752.

The spelling of 40379655 in words is "forty million, three hundred seventy-nine thousand, six hundred fifty-five".