40673655 has 48 divisors (see below), whose sum is σ = 77635584. Its totient is φ = 19535040.

The previous prime is 40673621. The next prime is 40673663. The reversal of 40673655 is 55637604.

It is not a de Polignac number, because 40673655 - 2¹⁰ = 40672631 is a prime.

It is a super-2 number, since 2×40673655² = 3308692422118050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62542 + ... + 63188.

It is an arithmetic number, because the mean of its divisors is an integer number (1617408).

Almost surely, 2^40673655 is an apocalyptic number.

40673655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40673655 is a deficient number, since it is larger than the sum of its proper divisors (36961929).

40673655 is a wasteful number, since it uses less digits than its factorization.

40673655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 40673655 is about 6377.5900620846. The cubic root of 40673655 is about 343.9044009409.

It can be divided in two parts, 40673 and 655, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 40673655 in words is "forty million, six hundred seventy-three thousand, six hundred fifty-five".