1420265461972 has 72 divisors (see below), whose sum is σ = 3059196584640. Its totient is φ = 573661025280.

The previous prime is 1420265461961. The next prime is 1420265462023. The reversal of 1420265461972 is 2791645620241.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269304 + ... + 1706767.

Almost surely, 2^{1420265461972} is an apocalyptic number.

It is an amenable number.

1420265461972 is an abundant number, since it is smaller than the sum of its proper divisors (1638931122668).

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

1420265461972 is a wasteful number, since it uses less digits than its factorization.

1420265461972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976301 (or 1976292 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 1420265461972 in words is "one trillion, four hundred twenty billion, two hundred sixty-five million, four hundred sixty-one thousand, nine hundred seventy-two".