40371091328 has 16 divisors (see below), whose sum is σ = 80426783760. Its totient is φ = 20185545600.

The previous prime is 40371091307. The next prime is 40371091331. The reversal of 40371091328 is 82319017304.

40371091328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×40371091328³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40371091291 and 40371091300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157699448 + ... + 157699703.

It is an arithmetic number, because the mean of its divisors is an integer number (5026673985).

Almost surely, 2^40371091328 is an apocalyptic number.

It is an amenable number.

40371091328 is a deficient number, since it is larger than the sum of its proper divisors (40055692432).

40371091328 is an equidigital number, since it uses as much as digits as its factorization.

40371091328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315399165 (or 315399153 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 40371091328 in words is "forty billion, three hundred seventy-one million, ninety-one thousand, three hundred twenty-eight".