402948992890 has 32 divisors (see below), whose sum is σ = 761218217856. Its totient is φ = 153280607040.

The previous prime is 402948992863. The next prime is 402948992899. The reversal of 402948992890 is 98299849204.

It is not an unprimeable number, because it can be changed into a prime (402948992899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5023656 + ... + 5103235.

It is an arithmetic number, because the mean of its divisors is an integer number (23788069308).

Almost surely, 2^402948992890 is an apocalyptic number.

402948992890 is a deficient number, since it is larger than the sum of its proper divisors (358269224966).

402948992890 is a wasteful number, since it uses less digits than its factorization.

402948992890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127094.

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 402948992890 in words is "four hundred two billion, nine hundred forty-eight million, nine hundred ninety-two thousand, eight hundred ninety".