2446557455945 has 16 divisors (see below), whose sum is σ = 3119189754960. Its totient is φ = 1838680268544.

The previous prime is 2446557455941. The next prime is 2446557455957. The reversal of 2446557455945 is 5495547556442.

It can be written as a sum of positive squares in 8 ways, for example, as 212238040249 + 2234319415696 = 460693^2 + 1494764^2 .

It is not a de Polignac number, because 2446557455945 - 2² = 2446557455941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2446557455941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228005582 + ... + 228016311.

It is an arithmetic number, because the mean of its divisors is an integer number (194949359685).

Almost surely, 2^{2446557455945} is an apocalyptic number.

It is an amenable number.

2446557455945 is a deficient number, since it is larger than the sum of its proper divisors (672632299015).

2446557455945 is a wasteful number, since it uses less digits than its factorization.

2446557455945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456021964.

The product of its digits is 604800000, while the sum is 65.

The spelling of 2446557455945 in words is "two trillion, four hundred forty-six billion, five hundred fifty-seven million, four hundred fifty-five thousand, nine hundred forty-five".