46278097920 has 264 divisors, whose sum is σ = 165886587360. Its totient is φ = 11914936320.

The previous prime is 46278097909. The next prime is 46278097937. The reversal of 46278097920 is 2979087264.

46278097920 is a `hidden beast` number, since 4 + 627 + 8 + 0 + 9 + 7 + 9 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1319005 + ... + 1353635.

Almost surely, 2^46278097920 is an apocalyptic number.

46278097920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46278097920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82943293680).

46278097920 is an abundant number, since it is smaller than the sum of its proper divisors (119608489440).

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

46278097920 is a wasteful number, since it uses less digits than its factorization.

46278097920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34691 (or 34670 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 46278097920 in words is "forty-six billion, two hundred seventy-eight million, ninety-seven thousand, nine hundred twenty".