3918626490 has 32 divisors (see below), whose sum is σ = 9438192576. Its totient is φ = 1041246080.

The previous prime is 3918626483. The next prime is 3918626513. The reversal of 3918626490 is 946268193.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 223992 + ... + 240851.

It is an arithmetic number, because the mean of its divisors is an integer number (294943518).

Almost surely, 2^3918626490 is an apocalyptic number.

3918626490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3918626490 is an abundant number, since it is smaller than the sum of its proper divisors (5519566086).

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

3918626490 is a wasteful number, since it uses less digits than its factorization.

3918626490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465134.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 3918626490 is about 62598.9336171152. The cubic root of 3918626490 is about 1576.5628548314.

The spelling of 3918626490 in words is "three billion, nine hundred eighteen million, six hundred twenty-six thousand, four hundred ninety".