40746564 has 60 divisors (see below), whose sum is σ = 112142800. Its totient is φ = 12865392.

The previous prime is 40746533. The next prime is 40746571. The reversal of 40746564 is 46564704.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2847 + ... + 9465.

Almost surely, 2^40746564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40746564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56071400).

40746564 is an abundant number, since it is smaller than the sum of its proper divisors (71396236).

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

40746564 is a wasteful number, since it uses less digits than its factorization.

40746564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654 (or 6643 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 40746564 is about 6383.3035334378. The cubic root of 40746564 is about 344.1097653143.

It can be divided in two parts, 407 and 46564, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 40746564 in words is "forty million, seven hundred forty-six thousand, five hundred sixty-four".