40368461953 has 16 divisors (see below), whose sum is σ = 43875869184. Its totient is φ = 36990743040.

The previous prime is 40368461933. The next prime is 40368461957. The reversal of 40368461953 is 35916486304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40368461953 - 2²⁵ = 40334907521 is a prime.

It is a super-2 number, since 2×40368461953² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40368461897 and 40368461906.

It is not an unprimeable number, because it can be changed into a prime (40368461957) 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, 279976 + ... + 398902.

It is an arithmetic number, because the mean of its divisors is an integer number (2742241824).

Almost surely, 2^40368461953 is an apocalyptic number.

It is an amenable number.

40368461953 is a deficient number, since it is larger than the sum of its proper divisors (3507407231).

40368461953 is a wasteful number, since it uses less digits than its factorization.

40368461953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119472.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 40368461953 in words is "forty billion, three hundred sixty-eight million, four hundred sixty-one thousand, nine hundred fifty-three".