431650002 has 16 divisors (see below), whose sum is σ = 986628672. Its totient is φ = 123328560.

The previous prime is 431649997. The next prime is 431650003. The reversal of 431650002 is 200056134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (431650003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138649 + ... + 5138732.

It is an arithmetic number, because the mean of its divisors is an integer number (61664292).

Almost surely, 2^431650002 is an apocalyptic number.

431650002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

431650002 is an abundant number, since it is smaller than the sum of its proper divisors (554978670).

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

431650002 is a wasteful number, since it uses less digits than its factorization.

431650002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277393.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 431650002 is about 20776.1883414644. The cubic root of 431650002 is about 755.7484220713.

The spelling of 431650002 in words is "four hundred thirty-one million, six hundred fifty thousand, two".