407104040 has 32 divisors (see below), whose sum is σ = 1046839680. Its totient is φ = 139578432.

The previous prime is 407104039. The next prime is 407104069. The reversal of 407104040 is 40401704.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726692 + ... + 727251.

It is an arithmetic number, because the mean of its divisors is an integer number (32713740).

Almost surely, 2^407104040 is an apocalyptic number.

407104040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

407104040 is an abundant number, since it is smaller than the sum of its proper divisors (639735640).

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

407104040 is a wasteful number, since it uses less digits than its factorization.

407104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453961 (or 1453957 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 407104040 is about 20176.8193727356. The cubic root of 407104040 is about 741.1426466911.

Adding to 407104040 its reverse (40401704), we get a palindrome (447505744).

The spelling of 407104040 in words is "four hundred seven million, one hundred four thousand, forty".