1523242949420 has 24 divisors (see below), whose sum is σ = 3217300433424. Its totient is φ = 605775229376.

The previous prime is 1523242949411. The next prime is 1523242949467. The reversal of 1523242949420 is 249492423251.

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, 220118354 + ... + 220125273.

It is an arithmetic number, because the mean of its divisors is an integer number (134054184726).

Almost surely, 2^{1523242949420} is an apocalyptic number.

1523242949420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523242949420 is an abundant number, since it is smaller than the sum of its proper divisors (1694057484004).

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

1523242949420 is a wasteful number, since it uses less digits than its factorization.

1523242949420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440243809 (or 440243807 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 1523242949420 in words is "one trillion, five hundred twenty-three billion, two hundred forty-two million, nine hundred forty-nine thousand, four hundred twenty".