407025540 has 48 divisors (see below), whose sum is σ = 1266303360. Its totient is φ = 108540000.

The previous prime is 407025533. The next prime is 407025547. The reversal of 407025540 is 45520704.

407025540 is a `hidden beast` number, since 40 + 70 + 2 + 554 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (407025533) and next prime (407025547).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (407025547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376336 + ... + 377415.

It is an arithmetic number, because the mean of its divisors is an integer number (26381320).

Almost surely, 2^407025540 is an apocalyptic number.

It is an amenable number.

407025540 is an abundant number, since it is smaller than the sum of its proper divisors (859277820).

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

407025540 is a wasteful number, since it uses less digits than its factorization.

407025540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753769 (or 753761 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 407025540 is about 20174.8739773016. The cubic root of 407025540 is about 741.0950065860.

The spelling of 407025540 in words is "four hundred seven million, twenty-five thousand, five hundred forty".