400465780071 has 8 divisors (see below), whose sum is σ = 610233569664. Its totient is φ = 228837588600.

The previous prime is 400465780069. The next prime is 400465780133. The reversal of 400465780071 is 170087564004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400465780071 - 2¹ = 400465780069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400465580071) 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, 9534899505 + ... + 9534899546.

It is an arithmetic number, because the mean of its divisors is an integer number (76279196208).

Almost surely, 2^400465780071 is an apocalyptic number.

400465780071 is a deficient number, since it is larger than the sum of its proper divisors (209767789593).

400465780071 is a wasteful number, since it uses less digits than its factorization.

400465780071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19069799061.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 400465780071 in words is "four hundred billion, four hundred sixty-five million, seven hundred eighty thousand, seventy-one".