1421904800952 has 64 divisors (see below), whose sum is σ = 3997322784000. Its totient is φ = 468257800032.

The previous prime is 1421904800923. The next prime is 1421904800983. The reversal of 1421904800952 is 2590084091241.

It is a happy number.

1421904800952 is a `hidden beast` number, since 14 + 21 + 90 + 480 + 0 + 9 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1421904800898 and 1421904800907.

It is a congruent number.

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, 39638052 + ... + 39673907.

It is an arithmetic number, because the mean of its divisors is an integer number (62458168500).

Almost surely, 2^{1421904800952} is an apocalyptic number.

1421904800952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421904800952 is an abundant number, since it is smaller than the sum of its proper divisors (2575417983048).

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

1421904800952 is a wasteful number, since it uses less digits than its factorization.

1421904800952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79312057 (or 79312047 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 1421904800952 in words is "one trillion, four hundred twenty-one billion, nine hundred four million, eight hundred thousand, nine hundred fifty-two".