415166445840 has 80 divisors (see below), whose sum is σ = 1287103834368. Its totient is φ = 110703495168.

The previous prime is 415166445821. The next prime is 415166445847. The reversal of 415166445840 is 48544661514.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 415166445840.

It is not an unprimeable number, because it can be changed into a prime (415166445847) 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, 4062409 + ... + 4163351.

Almost surely, 2^415166445840 is an apocalyptic number.

415166445840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

415166445840 is an abundant number, since it is smaller than the sum of its proper divisors (871937388528).

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

415166445840 is a wasteful number, since it uses less digits than its factorization.

415166445840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118096 (or 118090 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 415166445840 in words is "four hundred fifteen billion, one hundred sixty-six million, four hundred forty-five thousand, eight hundred forty".