40514215893 has 4 divisors (see below), whose sum is σ = 54018954528. Its totient is φ = 27009477260.

The previous prime is 40514215877. The next prime is 40514215897. The reversal of 40514215893 is 39851241504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40514215893 - 2⁴ = 40514215877 is a prime.

It is a super-2 number, since 2×40514215893² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40514215897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6752369313 + ... + 6752369318.

It is an arithmetic number, because the mean of its divisors is an integer number (13504738632).

Almost surely, 2^40514215893 is an apocalyptic number.

It is an amenable number.

40514215893 is a deficient number, since it is larger than the sum of its proper divisors (13504738635).

40514215893 is a wasteful number, since it uses less digits than its factorization.

40514215893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13504738634.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 40514215893 in words is "forty billion, five hundred fourteen million, two hundred fifteen thousand, eight hundred ninety-three".