400480606480 has 40 divisors (see below), whose sum is σ = 932593149504. Its totient is φ = 159938352000.

The previous prime is 400480606459. The next prime is 400480606489. The reversal of 400480606480 is 84606084004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (400480606489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3916246 + ... + 4017205.

Almost surely, 2^400480606480 is an apocalyptic number.

400480606480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400480606480 is an abundant number, since it is smaller than the sum of its proper divisors (532112543024).

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

400480606480 is a wasteful number, since it uses less digits than its factorization.

400480606480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934095 (or 7934089 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 400480606480 in words is "four hundred billion, four hundred eighty million, six hundred six thousand, four hundred eighty".