8401405454 has 32 divisors (see below), whose sum is σ = 14240862720. Its totient is φ = 3688214112.

The previous prime is 8401405447. The next prime is 8401405459. The reversal of 8401405454 is 4545041048.

It is a super-2 number, since 2×8401405454² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401405459) 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, 67799 + ... + 146285.

It is an arithmetic number, because the mean of its divisors is an integer number (445026960).

Almost surely, 2^8401405454 is an apocalyptic number.

8401405454 is a deficient number, since it is larger than the sum of its proper divisors (5839457266).

8401405454 is a wasteful number, since it uses less digits than its factorization.

8401405454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78704.

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 8401405454 is about 91659.1809585925. The cubic root of 8401405454 is about 2032.9060801902.

The spelling of 8401405454 in words is "eight billion, four hundred one million, four hundred five thousand, four hundred fifty-four".