1001404554 has 16 divisors (see below), whose sum is σ = 2049386592. Its totient is φ = 326038608.

The previous prime is 1001404549. The next prime is 1001404577. The reversal of 1001404554 is 4554041001.

It is a happy number.

It is a super-2 number, since 2×1001404554² = 2005622161543877832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940449 + ... + 1940964.

It is an arithmetic number, because the mean of its divisors is an integer number (128086662).

Almost surely, 2^1001404554 is an apocalyptic number.

1001404554 is an abundant number, since it is smaller than the sum of its proper divisors (1047982038).

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

1001404554 is a wasteful number, since it uses less digits than its factorization.

1001404554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881461.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1001404554 is about 31644.9767577731. The cubic root of 1001404554 is about 1000.4679656407.

Adding to 1001404554 its reverse (4554041001), we get a palindrome (5555445555).

The spelling of 1001404554 in words is "one billion, one million, four hundred four thousand, five hundred fifty-four".