40406700 has 54 divisors (see below), whose sum is σ = 117229476. Its totient is φ = 10745760.

The previous prime is 40406687. The next prime is 40406747. The reversal of 40406700 is 760404.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 109917 + ... + 110283.

Almost surely, 2^40406700 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 40406700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58614738).

40406700 is an abundant number, since it is smaller than the sum of its proper divisors (76822776).

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

40406700 is a wasteful number, since it uses less digits than its factorization.

40406700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 377 counting only the distinct ones).

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

The square root of 40406700 is about 6356.6264637778. The cubic root of 40406700 is about 343.1503617605.

The spelling of 40406700 in words is "forty million, four hundred six thousand, seven hundred".