40357480 has 16 divisors (see below), whose sum is σ = 90804420. Its totient is φ = 16142976.

The previous prime is 40357477. The next prime is 40357483. The reversal of 40357480 is 8475304.

It is an interprime number because it is at equal distance from previous prime (40357477) and next prime (40357483).

It can be written as a sum of positive squares in 2 ways, for example, as 39614436 + 743044 = 6294^2 + 862^2 .

It is not an unprimeable number, because it can be changed into a prime (40357483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504429 + ... + 504508.

Almost surely, 2^40357480 is an apocalyptic number.

40357480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40357480 is an abundant number, since it is smaller than the sum of its proper divisors (50446940).

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

40357480 is a wasteful number, since it uses less digits than its factorization.

40357480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008948 (or 1008944 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 40357480 is about 6352.7537336182. The cubic root of 40357480 is about 343.0109729679.

The spelling of 40357480 in words is "forty million, three hundred fifty-seven thousand, four hundred eighty".