40418378 has 48 divisors (see below), whose sum is σ = 81902016. Its totient is φ = 14526720.

The previous prime is 40418369. The next prime is 40418381. The reversal of 40418378 is 87381404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25250 + ... + 26802.

It is an arithmetic number, because the mean of its divisors is an integer number (1706292).

Almost surely, 2^40418378 is an apocalyptic number.

40418378 is an abundant number, since it is smaller than the sum of its proper divisors (41483638).

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

40418378 is a wasteful number, since it uses less digits than its factorization.

40418378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 40418378 is about 6357.5449664159. The cubic root of 40418378 is about 343.1834167071.

The spelling of 40418378 in words is "forty million, four hundred eighteen thousand, three hundred seventy-eight".