402470370 has 40 divisors (see below), whose sum is σ = 1082200284. Its totient is φ = 107325216.

The previous prime is 402470351. The next prime is 402470377. The reversal of 402470370 is 73074204.

It can be written as a sum of positive squares in 2 ways, for example, as 383885649 + 18584721 = 19593^2 + 4311^2 .

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 (402470377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 247629 + ... + 249248.

Almost surely, 2^402470370 is an apocalyptic number.

402470370 is an abundant number, since it is smaller than the sum of its proper divisors (679729914).

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

402470370 is a wasteful number, since it uses less digits than its factorization.

402470370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496896 (or 496887 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 402470370 is about 20061.6641881973. The cubic root of 402470370 is about 738.3200079577.

The spelling of 402470370 in words is "four hundred two million, four hundred seventy thousand, three hundred seventy".