420072131451 has 8 divisors (see below), whose sum is σ = 640109914624. Its totient is φ = 240041217960.

The previous prime is 420072131441. The next prime is 420072131471. The reversal of 420072131451 is 154131270024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420072131451 - 2⁶ = 420072131387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420072131441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10001717395 + ... + 10001717436.

It is an arithmetic number, because the mean of its divisors is an integer number (80013739328).

Almost surely, 2^420072131451 is an apocalyptic number.

420072131451 is a deficient number, since it is larger than the sum of its proper divisors (220037783173).

420072131451 is a wasteful number, since it uses less digits than its factorization.

420072131451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20003434841.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 420072131451 in words is "four hundred twenty billion, seventy-two million, one hundred thirty-one thousand, four hundred fifty-one".