154401005420 has 48 divisors (see below), whose sum is σ = 324854083008. Its totient is φ = 61643950080.

The previous prime is 154401005413. The next prime is 154401005461. The reversal of 154401005420 is 24500104451.

It is a self number, because there is not a number n which added to its sum of digits gives 154401005420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39781880 + ... + 39785760.

It is an arithmetic number, because the mean of its divisors is an integer number (6767793396).

Almost surely, 2^154401005420 is an apocalyptic number.

154401005420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154401005420 is an abundant number, since it is smaller than the sum of its proper divisors (170453077588).

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

154401005420 is a wasteful number, since it uses less digits than its factorization.

154401005420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130 (or 7128 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 154401005420 its reverse (24500104451), we get a palindrome (178901109871).

The spelling of 154401005420 in words is "one hundred fifty-four billion, four hundred one million, five thousand, four hundred twenty".