407345940252 has 48 divisors (see below), whose sum is σ = 1058109242400. Its totient is φ = 135521343360.

The previous prime is 407345940233. The next prime is 407345940259. The reversal of 407345940252 is 252049543704.

407345940252 is a `hidden beast` number, since 4 + 0 + 7 + 3 + 4 + 594 + 0 + 2 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 407345940198 and 407345940207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407345940259) 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, 3563427 + ... + 3675962.

It is an arithmetic number, because the mean of its divisors is an integer number (22043942550).

Almost surely, 2^407345940252 is an apocalyptic number.

It is an amenable number.

407345940252 is an abundant number, since it is smaller than the sum of its proper divisors (650763302148).

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

407345940252 is a wasteful number, since it uses less digits than its factorization.

407345940252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239923 (or 7239915 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 407345940252 in words is "four hundred seven billion, three hundred forty-five million, nine hundred forty thousand, two hundred fifty-two".