14001540420 has 96 divisors (see below), whose sum is σ = 47163110400. Its totient is φ = 3031910784.

The previous prime is 14001540409. The next prime is 14001540461. The reversal of 14001540420 is 2404510041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869310 + ... + 885269.

It is an arithmetic number, because the mean of its divisors is an integer number (491282400).

Almost surely, 2^14001540420 is an apocalyptic number.

14001540420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14001540420 is an abundant number, since it is smaller than the sum of its proper divisors (33161569980).

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

14001540420 is a wasteful number, since it uses less digits than its factorization.

14001540420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754617 (or 1754615 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The spelling of 14001540420 in words is "fourteen billion, one million, five hundred forty thousand, four hundred twenty".