46457155808490 has 128 divisors (see below), whose sum is σ = 128607196608000. Its totient is φ = 10520309984256.

The previous prime is 46457155808449. The next prime is 46457155808561. The reversal of 46457155808490 is 9480855175464.

It is a super-2 number, since 2×46457155808490² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242286376 + ... + 242478044.

It is an arithmetic number, because the mean of its divisors is an integer number (1004743723500).

Almost surely, 2^{46457155808490} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46457155808490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64303598304000).

46457155808490 is an abundant number, since it is smaller than the sum of its proper divisors (82150040799510).

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

46457155808490 is a wasteful number, since it uses less digits than its factorization.

46457155808490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202384.

The product of its (nonzero) digits is 193536000, while the sum is 66.

The spelling of 46457155808490 in words is "forty-six trillion, four hundred fifty-seven billion, one hundred fifty-five million, eight hundred eight thousand, four hundred ninety".