40070480 has 20 divisors (see below), whose sum is σ = 93164052. Its totient is φ = 16028160.

The previous prime is 40070477. The next prime is 40070521. The reversal of 40070480 is 8407004.

It can be written as a sum of positive squares in 2 ways, for example, as 15429184 + 24641296 = 3928^2 + 4964^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 250361 + ... + 250520.

Almost surely, 2^40070480 is an apocalyptic number.

40070480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40070480 is an abundant number, since it is smaller than the sum of its proper divisors (53093572).

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

40070480 is a wasteful number, since it uses less digits than its factorization.

40070480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500894 (or 500888 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 40070480 is about 6330.1248012974. The cubic root of 40070480 is about 342.1959366504.

Adding to 40070480 its reverse (8407004), we get a palindrome (48477484).

The spelling of 40070480 in words is "forty million, seventy thousand, four hundred eighty".