40732401 has 8 divisors (see below), whose sum is σ = 54670144. Its totient is φ = 26974800.

The previous prime is 40732399. The next prime is 40732411. The reversal of 40732401 is 10423704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40732401 - 2¹ = 40732399 is a prime.

It is a super-4 number, since 4×40732401⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40732411) 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, 44506 + ... + 45411.

It is an arithmetic number, because the mean of its divisors is an integer number (6833768).

Almost surely, 2^40732401 is an apocalyptic number.

It is an amenable number.

40732401 is a deficient number, since it is larger than the sum of its proper divisors (13937743).

40732401 is a wasteful number, since it uses less digits than its factorization.

40732401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90071.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40732401 is about 6382.1940584724. The cubic root of 40732401 is about 344.0698912660.

The spelling of 40732401 in words is "forty million, seven hundred thirty-two thousand, four hundred one".