40249602 has 32 divisors (see below), whose sum is σ = 90163200. Its totient is φ = 13308624.

The previous prime is 40249567. The next prime is 40249603. The reversal of 40249602 is 20694204.

It is a super-4 number, since 4×40249602⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (40249603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924 + ... + 9792.

It is an arithmetic number, because the mean of its divisors is an integer number (2817600).

Almost surely, 2^40249602 is an apocalyptic number.

40249602 is an abundant number, since it is smaller than the sum of its proper divisors (49913598).

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

40249602 is a wasteful number, since it uses less digits than its factorization.

40249602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007 (or 6001 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40249602 is about 6344.2574033531. The cubic root of 40249602 is about 342.7050705056.

The spelling of 40249602 in words is "forty million, two hundred forty-nine thousand, six hundred two".