40064700 has 72 divisors (see below), whose sum is σ = 124849648. Its totient is φ = 9861120.

The previous prime is 40064693. The next prime is 40064701. The reversal of 40064700 is 746004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40064701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1237 + ... + 9036.

Almost surely, 2^40064700 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 40064700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62424824).

40064700 is an abundant number, since it is smaller than the sum of its proper divisors (84784948).

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

40064700 is a wasteful number, since it uses less digits than its factorization.

40064700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10303 (or 10296 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40064700 is about 6329.6682377515. The cubic root of 40064700 is about 342.1794824126.

The spelling of 40064700 in words is "forty million, sixty-four thousand, seven hundred".