40401146032 has 40 divisors (see below), whose sum is σ = 84317947056. Its totient is φ = 18642391296.

The previous prime is 40401146021. The next prime is 40401146081. The reversal of 40401146032 is 23064110404.

It is a junction number, because it is equal to n+sod(n) for n = 40401145988 and 40401146006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994503 + ... + 1034329.

Almost surely, 2^40401146032 is an apocalyptic number.

It is an amenable number.

40401146032 is an abundant number, since it is smaller than the sum of its proper divisors (43916801024).

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

40401146032 is a wasteful number, since it uses less digits than its factorization.

40401146032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44725 (or 44719 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40401146032 its reverse (23064110404), we get a palindrome (63465256436).

The spelling of 40401146032 in words is "forty billion, four hundred one million, one hundred forty-six thousand, thirty-two".