407040102 has 24 divisors (see below), whose sum is σ = 1007909136. Its totient is φ = 116297136.

The previous prime is 407040079. The next prime is 407040113. The reversal of 407040102 is 201040704.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1615113 + ... + 1615364.

It is an arithmetic number, because the mean of its divisors is an integer number (41996214).

Almost surely, 2^407040102 is an apocalyptic number.

407040102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

407040102 is an abundant number, since it is smaller than the sum of its proper divisors (600869034).

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

407040102 is a wasteful number, since it uses less digits than its factorization.

407040102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230492 (or 3230489 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 407040102 is about 20175.2348685214. The cubic root of 407040102 is about 741.1038444399.

Adding to 407040102 its reverse (201040704), we get a palindrome (608080806).

The spelling of 407040102 in words is "four hundred seven million, forty thousand, one hundred two".