420794429254 has 4 divisors (see below), whose sum is σ = 631191643884. Its totient is φ = 210397214626.

The previous prime is 420794429239. The next prime is 420794429299. The reversal of 420794429254 is 452924497024.

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

It is a super-2 number, since 2×420794429254² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105198607312 + ... + 105198607315.

It is an arithmetic number, because the mean of its divisors is an integer number (157797910971).

Almost surely, 2^420794429254 is an apocalyptic number.

420794429254 is a deficient number, since it is larger than the sum of its proper divisors (210397214630).

420794429254 is a wasteful number, since it uses less digits than its factorization.

420794429254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210397214629.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 420794429254 in words is "four hundred twenty billion, seven hundred ninety-four million, four hundred twenty-nine thousand, two hundred fifty-four".