14554391628 has 384 divisors, whose sum is σ = 45844807680. Its totient is φ = 3491389440.

The previous prime is 14554391623. The next prime is 14554391653. The reversal of 14554391628 is 82619345541.

It is a super-2 number, since 2×14554391628² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14554391623) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51794848 + ... + 51795128.

It is an arithmetic number, because the mean of its divisors is an integer number (119387520).

Almost surely, 2^14554391628 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 14554391628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22922403840).

14554391628 is an abundant number, since it is smaller than the sum of its proper divisors (31290416052).

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

14554391628 is a wasteful number, since it uses less digits than its factorization.

14554391628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 435 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The spelling of 14554391628 in words is "fourteen billion, five hundred fifty-four million, three hundred ninety-one thousand, six hundred twenty-eight".