40099734 has 12 divisors (see below), whose sum is σ = 86882796. Its totient is φ = 13366572.

The previous prime is 40099733. The next prime is 40099757. The reversal of 40099734 is 43799004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40099733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113864 + ... + 1113899.

It is an arithmetic number, because the mean of its divisors is an integer number (7240233).

Almost surely, 2^40099734 is an apocalyptic number.

40099734 is an abundant number, since it is smaller than the sum of its proper divisors (46783062).

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

40099734 is a wasteful number, since it uses less digits than its factorization.

40099734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227771 (or 2227768 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40099734 is about 6332.4350766510. The cubic root of 40099734 is about 342.2791913289.

The spelling of 40099734 in words is "forty million, ninety-nine thousand, seven hundred thirty-four".