40249170 has 64 divisors (see below), whose sum is σ = 115597440. Its totient is φ = 9906624.

The previous prime is 40249147. The next prime is 40249199. The reversal of 40249170 is 7194204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2224 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (1806210).

Almost surely, 2^40249170 is an apocalyptic number.

40249170 is an abundant number, since it is smaller than the sum of its proper divisors (75348270).

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

40249170 is a wasteful number, since it uses less digits than its factorization.

40249170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496 (or 11490 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 40249170 is about 6344.2233567238. The cubic root of 40249170 is about 342.7038444138.

The spelling of 40249170 in words is "forty million, two hundred forty-nine thousand, one hundred seventy".