406054620 has 120 divisors (see below), whose sum is σ = 1301154624. Its totient is φ = 105957504.

The previous prime is 406054619. The next prime is 406054631. The reversal of 406054620 is 26450604.

It is a happy number.

406054620 is a `hidden beast` number, since 40 + 60 + 546 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 73474 + ... + 78806.

Almost surely, 2^406054620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406054620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650577312).

406054620 is an abundant number, since it is smaller than the sum of its proper divisors (895100004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406054620 is a wasteful number, since it uses less digits than its factorization.

406054620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401 (or 5390 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 406054620 is about 20150.7970065702. The cubic root of 406054620 is about 740.5052672973.

The spelling of 406054620 in words is "four hundred six million, fifty-four thousand, six hundred twenty".