40653654 has 36 divisors (see below), whose sum is σ = 86442804. Its totient is φ = 12744288.

The previous prime is 40653653. The next prime is 40653659. The reversal of 40653654 is 45635604.

40653654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40653653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 296674 + ... + 296810.

It is an arithmetic number, because the mean of its divisors is an integer number (2401189).

Almost surely, 2^40653654 is an apocalyptic number.

40653654 is an abundant number, since it is smaller than the sum of its proper divisors (45789150).

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

40653654 is a wasteful number, since it uses less digits than its factorization.

40653654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 40653654 is about 6376.0218004646. The cubic root of 40653654 is about 343.8480207959.

The spelling of 40653654 in words is "forty million, six hundred fifty-three thousand, six hundred fifty-four".