406054454 has 16 divisors (see below), whose sum is σ = 656733840. Its totient is φ = 187181280.

The previous prime is 406054421. The next prime is 406054457. The reversal of 406054454 is 454450604.

It is a super-2 number, since 2×406054454² = 329760439226476232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 406054454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406054457) 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, 13244 + ... + 31424.

It is an arithmetic number, because the mean of its divisors is an integer number (41045865).

Almost surely, 2^406054454 is an apocalyptic number.

406054454 is a deficient number, since it is larger than the sum of its proper divisors (250679386).

406054454 is a wasteful number, since it uses less digits than its factorization.

406054454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19055.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 406054454 is about 20150.7928876260. The cubic root of 406054454 is about 740.5051663881.

The spelling of 406054454 in words is "four hundred six million, fifty-four thousand, four hundred fifty-four".