401098554 has 20 divisors (see below), whose sum is σ = 898758234. Its totient is φ = 133699464.

The previous prime is 401098483. The next prime is 401098559. The reversal of 401098554 is 455890104.

401098554 is a `hidden beast` number, since 4 + 0 + 10 + 98 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 373378329 + 27720225 = 19323^2 + 5265^2 .

It is not an unprimeable number, because it can be changed into a prime (401098559) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1237797 + ... + 1238120.

Almost surely, 2^401098554 is an apocalyptic number.

401098554 is an abundant number, since it is smaller than the sum of its proper divisors (497659680).

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

401098554 is a wasteful number, since it uses less digits than its factorization.

401098554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475931 (or 2475922 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 401098554 is about 20027.4450192729. The cubic root of 401098554 is about 737.4802010964.

The spelling of 401098554 in words is "four hundred one million, ninety-eight thousand, five hundred fifty-four".