40401700 has 18 divisors (see below), whose sum is σ = 87671906. Its totient is φ = 16160640.

The previous prime is 40401689. The next prime is 40401701. The reversal of 40401700 is 710404.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7706176 + 32695524 = 2776^2 + 5718^2 .

It is not an unprimeable number, because it can be changed into a prime (40401701) 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, 201909 + ... + 202108.

Almost surely, 2^40401700 is an apocalyptic number.

It is an amenable number.

40401700 is an abundant number, since it is smaller than the sum of its proper divisors (47270206).

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

40401700 is a wasteful number, since it uses less digits than its factorization.

40401700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404031 (or 404024 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 40401700 is about 6356.2331612363. The cubic root of 40401700 is about 343.1362071559.

The spelling of 40401700 in words is "forty million, four hundred one thousand, seven hundred".