40455031015 has 16 divisors (see below), whose sum is σ = 55485877248. Its totient is φ = 27738246816.

The previous prime is 40455031007. The next prime is 40455031037. The reversal of 40455031015 is 51013055404.

It is not a de Polignac number, because 40455031015 - 2³ = 40455031007 is a prime.

It is a super-2 number, since 2×40455031015² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439714 + ... + 523696.

It is an arithmetic number, because the mean of its divisors is an integer number (3467867328).

Almost surely, 2^40455031015 is an apocalyptic number.

40455031015 is a deficient number, since it is larger than the sum of its proper divisors (15030846233).

40455031015 is a wasteful number, since it uses less digits than its factorization.

40455031015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97758.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 40455031015 its reverse (51013055404), we get a palindrome (91468086419).

The spelling of 40455031015 in words is "forty billion, four hundred fifty-five million, thirty-one thousand, fifteen".