40401296 has 40 divisors (see below), whose sum is σ = 88744320. Its totient is φ = 17663616.

The previous prime is 40401293. The next prime is 40401301. The reversal of 40401296 is 69210404.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (40401293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (2218608).

Almost surely, 2^40401296 is an apocalyptic number.

It is an amenable number.

40401296 is an abundant number, since it is smaller than the sum of its proper divisors (48343024).

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

40401296 is a wasteful number, since it uses less digits than its factorization.

40401296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10263 (or 10257 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40401296 is about 6356.2013813283. The cubic root of 40401296 is about 343.1350634129.

The spelling of 40401296 in words is "forty million, four hundred one thousand, two hundred ninety-six".