40401131132 has 12 divisors (see below), whose sum is σ = 70777121016. Its totient is φ = 20179096560.

The previous prime is 40401131123. The next prime is 40401131167. The reversal of 40401131132 is 23113110404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363018 + ... + 5370545.

It is an arithmetic number, because the mean of its divisors is an integer number (5898093418).

Almost surely, 2^40401131132 is an apocalyptic number.

It is an amenable number.

40401131132 is a deficient number, since it is larger than the sum of its proper divisors (30375989884).

40401131132 is a wasteful number, since it uses less digits than its factorization.

40401131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10734508 (or 10734506 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40401131132 its reverse (23113110404), we get a palindrome (63514241536).

The spelling of 40401131132 in words is "forty billion, four hundred one million, one hundred thirty-one thousand, one hundred thirty-two".