40090653654 has 32 divisors (see below), whose sum is σ = 83677929984. Its totient is φ = 12780926400.

The previous prime is 40090653653. The next prime is 40090653667. The reversal of 40090653654 is 45635609004.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40090653653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620679 + ... + 1645229.

It is an arithmetic number, because the mean of its divisors is an integer number (2614935312).

Almost surely, 2^40090653654 is an apocalyptic number.

40090653654 is an abundant number, since it is smaller than the sum of its proper divisors (43587276330).

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

40090653654 is a wasteful number, since it uses less digits than its factorization.

40090653654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36412.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 40090653654 in words is "forty billion, ninety million, six hundred fifty-three thousand, six hundred fifty-four".