3621400455 has 16 divisors (see below), whose sum is σ = 5795748864. Its totient is φ = 1930910880.

The previous prime is 3621400429. The next prime is 3621400459. The reversal of 3621400455 is 5540041263.

It is not a de Polignac number, because 3621400455 - 2⁵ = 3621400423 is a prime.

It is a super-2 number, since 2×3621400455² = 26229082510948414050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621400459) 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, 32302 + ... + 91028.

It is an arithmetic number, because the mean of its divisors is an integer number (362234304).

Almost surely, 2^3621400455 is an apocalyptic number.

3621400455 is a deficient number, since it is larger than the sum of its proper divisors (2174348409).

3621400455 is a wasteful number, since it uses less digits than its factorization.

3621400455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62846.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3621400455 is about 60178.0728754253. The cubic root of 3621400455 is about 1535.6497873203.

The spelling of 3621400455 in words is "three billion, six hundred twenty-one million, four hundred thousand, four hundred fifty-five".