40700320 has 24 divisors (see below), whose sum is σ = 96154884. Its totient is φ = 16280064.

The previous prime is 40700291. The next prime is 40700351. The reversal of 40700320 is 2300704.

It can be written as a sum of positive squares in 2 ways, for example, as 37503376 + 3196944 = 6124^2 + 1788^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 40700294 and 40700303.

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, 127029 + ... + 127348.

Almost surely, 2^40700320 is an apocalyptic number.

40700320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40700320 is an abundant number, since it is smaller than the sum of its proper divisors (55454564).

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

40700320 is a wasteful number, since it uses less digits than its factorization.

40700320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254392 (or 254384 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 40700320 is about 6379.6802427708. The cubic root of 40700320 is about 343.9795372721.

The spelling of 40700320 in words is "forty million, seven hundred thousand, three hundred twenty".