40346736 has 20 divisors (see below), whose sum is σ = 104229192. Its totient is φ = 13448896.

The previous prime is 40346723. The next prime is 40346749. The reversal of 40346736 is 63764304.

It is an interprime number because it is at equal distance from previous prime (40346723) and next prime (40346749).

It is a junction number, because it is equal to n+sod(n) for n = 40346697 and 40346706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420231 + ... + 420326.

Almost surely, 2^40346736 is an apocalyptic number.

It is an amenable number.

40346736 is an abundant number, since it is smaller than the sum of its proper divisors (63882456).

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

40346736 is a wasteful number, since it uses less digits than its factorization.

40346736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840568 (or 840562 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 40346736 is about 6351.9080597880. The cubic root of 40346736 is about 342.9805313829.

The spelling of 40346736 in words is "forty million, three hundred forty-six thousand, seven hundred thirty-six".