420100742407 has 4 divisors (see below), whose sum is σ = 420217668000. Its totient is φ = 419983816816.

The previous prime is 420100742363. The next prime is 420100742431. The reversal of 420100742407 is 704247001024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420100742407 - 2²³ = 420092353799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420100742497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58457407 + ... + 58464592.

It is an arithmetic number, because the mean of its divisors is an integer number (105054417000).

Almost surely, 2^420100742407 is an apocalyptic number.

420100742407 is a deficient number, since it is larger than the sum of its proper divisors (116925593).

420100742407 is a wasteful number, since it uses less digits than its factorization.

420100742407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116925592.

The product of its (nonzero) digits is 12544, while the sum is 31.

The spelling of 420100742407 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, four hundred seven".