40145184700 has 18 divisors (see below), whose sum is σ = 87115051016. Its totient is φ = 16058073840.

The previous prime is 40145184691. The next prime is 40145184707. The reversal of 40145184700 is 748154104.

It is a happy number.

It is a super-2 number, since 2×40145184700² (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 (40145184707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200725824 + ... + 200726023.

Almost surely, 2^40145184700 is an apocalyptic number.

It is an amenable number.

40145184700 is an abundant number, since it is smaller than the sum of its proper divisors (46969866316).

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

40145184700 is a wasteful number, since it uses less digits than its factorization.

40145184700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401451861 (or 401451854 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 40145184700 in words is "forty billion, one hundred forty-five million, one hundred eighty-four thousand, seven hundred".