396448964290 has 16 divisors (see below), whose sum is σ = 723383590968. Its totient is φ = 156407262336.

The previous prime is 396448964281. The next prime is 396448964377. The reversal of 396448964290 is 92469844693.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 337062686041 + 59386278249 = 580571^2 + 243693^2 .

It is a super-2 number, since 2×396448964290² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 271539657 + ... + 271541116.

Almost surely, 2^396448964290 is an apocalyptic number.

396448964290 is a deficient number, since it is larger than the sum of its proper divisors (326934626678).

396448964290 is a wasteful number, since it uses less digits than its factorization.

396448964290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543080853.

The product of its (nonzero) digits is 80621568, while the sum is 64.

The spelling of 396448964290 in words is "three hundred ninety-six billion, four hundred forty-eight million, nine hundred sixty-four thousand, two hundred ninety".