4200402402 has 36 divisors (see below), whose sum is σ = 10586730726. Its totient is φ = 1200114720.

The previous prime is 4200402389. The next prime is 4200402461. The reversal of 4200402402 is 2042040024.

4200402402 is a `hidden beast` number, since 420 + 0 + 4 + 0 + 240 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2754045441 + 1446356961 = 52479^2 + 38031^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2380299 + ... + 2382062.

Almost surely, 2^4200402402 is an apocalyptic number.

4200402402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4200402402 is an abundant number, since it is smaller than the sum of its proper divisors (6386328324).

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

4200402402 is a wasteful number, since it uses less digits than its factorization.

4200402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762383 (or 4762373 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4200402402 is about 64810.5115085508. The cubic root of 4200402402 is about 1613.4801719119.

Adding to 4200402402 its reverse (2042040024), we get a palindrome (6242442426).

The spelling of 4200402402 in words is "four billion, two hundred million, four hundred two thousand, four hundred two".