40154632 has 16 divisors (see below), whose sum is σ = 86045760. Its totient is φ = 17209104.

The previous prime is 40154623. The next prime is 40154651. The reversal of 40154632 is 23645104.

It is a super-2 number, since 2×40154632² = 3224788942110848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40154597 and 40154606.

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, 358468 + ... + 358579.

It is an arithmetic number, because the mean of its divisors is an integer number (5377860).

Almost surely, 2^40154632 is an apocalyptic number.

It is an amenable number.

40154632 is an abundant number, since it is smaller than the sum of its proper divisors (45891128).

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

40154632 is a wasteful number, since it uses less digits than its factorization.

40154632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717060 (or 717056 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40154632 is about 6336.7682615037. The cubic root of 40154632 is about 342.4353176732.

Adding to 40154632 its reverse (23645104), we get a palindrome (63799736).

The spelling of 40154632 in words is "forty million, one hundred fifty-four thousand, six hundred thirty-two".