40154403504 has 40 divisors (see below), whose sum is σ = 103893614272. Its totient is φ = 13363974720.

The previous prime is 40154403503. The next prime is 40154403511. The reversal of 40154403504 is 40530445104.

It is a super-2 number, since 2×40154403504² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40154403503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619642 + ... + 681369.

Almost surely, 2^40154403504 is an apocalyptic number.

It is an amenable number.

40154403504 is an abundant number, since it is smaller than the sum of its proper divisors (63739210768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40154403504 is a wasteful number, since it uses less digits than its factorization.

40154403504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301665 (or 1301659 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40154403504 its reverse (40530445104), we get a palindrome (80684848608).

The spelling of 40154403504 in words is "forty billion, one hundred fifty-four million, four hundred three thousand, five hundred four".