40345553919 has 16 divisors (see below), whose sum is σ = 58692983040. Its totient is φ = 24448292160.

The previous prime is 40345553917. The next prime is 40345553957. The reversal of 40345553919 is 91935554304.

It is not a de Polignac number, because 40345553919 - 2¹ = 40345553917 is a prime.

It is a super-2 number, since 2×40345553919² (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 (40345553917) 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, 150859 + ... + 321635.

It is an arithmetic number, because the mean of its divisors is an integer number (3668311440).

Almost surely, 2^40345553919 is an apocalyptic number.

40345553919 is a deficient number, since it is larger than the sum of its proper divisors (18347429121).

40345553919 is a wasteful number, since it uses less digits than its factorization.

40345553919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177950.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 40345553919 in words is "forty billion, three hundred forty-five million, five hundred fifty-three thousand, nine hundred nineteen".