400451022154445 has 8 divisors (see below), whose sum is σ = 501434323393536. Its totient is φ = 306432086518096.

The previous prime is 400451022154433. The next prime is 400451022154517. The reversal of 400451022154445 is 544451220154004.

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

It is a cyclic number.

It is not a de Polignac number, because 400451022154445 - 2²⁴ = 400451005377229 is a prime.

It is a super-2 number, since 2×400451022154445² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741091400557 + ... + 1741091400786.

It is an arithmetic number, because the mean of its divisors is an integer number (62679290424192).

Almost surely, 2^{400451022154445} is an apocalyptic number.

It is an amenable number.

400451022154445 is a deficient number, since it is larger than the sum of its proper divisors (100983301239091).

400451022154445 is a wasteful number, since it uses less digits than its factorization.

400451022154445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482182801371.

The product of its (nonzero) digits is 512000, while the sum is 41.

The spelling of 400451022154445 in words is "four hundred trillion, four hundred fifty-one billion, twenty-two million, one hundred fifty-four thousand, four hundred forty-five".