400129003000202 has 64 divisors (see below), whose sum is σ = 698396897952000. Its totient is φ = 168375498964992.

The previous prime is 400129003000201. The next prime is 400129003000219. The reversal of 400129003000202 is 202000300921004.

It is a super-2 number, since 2×400129003000202² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400129003000201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7496254538 + ... + 7496307914.

It is an arithmetic number, because the mean of its divisors is an integer number (10912451530500).

Almost surely, 2^{400129003000202} is an apocalyptic number.

400129003000202 is a deficient number, since it is larger than the sum of its proper divisors (298267894951798).

400129003000202 is a wasteful number, since it uses less digits than its factorization.

400129003000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64143.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 400129003000202 its reverse (202000300921004), we get a palindrome (602129303921206).

The spelling of 400129003000202 in words is "four hundred trillion, one hundred twenty-nine billion, three million, two hundred two", and thus it is an aban number.