40115310 has 32 divisors (see below), whose sum is σ = 96452640. Its totient is φ = 10677888.

The previous prime is 40115303. The next prime is 40115347. The reversal of 40115310 is 1351104.

It is a super-2 number, since 2×40115310² = 3218476192792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40115310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24064 + ... + 25676.

It is an arithmetic number, because the mean of its divisors is an integer number (3014145).

Almost surely, 2^40115310 is an apocalyptic number.

40115310 is an abundant number, since it is smaller than the sum of its proper divisors (56337330).

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

40115310 is a wasteful number, since it uses less digits than its factorization.

40115310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 40115310 is about 6333.6648158866. The cubic root of 40115310 is about 342.3235029325.

Adding to 40115310 its reverse (1351104), we get a palindrome (41466414).

The spelling of 40115310 in words is "forty million, one hundred fifteen thousand, three hundred ten".