451404040502 has 4 divisors (see below), whose sum is σ = 677106060756. Its totient is φ = 225702020250.

The previous prime is 451404040487. The next prime is 451404040517. The reversal of 451404040502 is 205040404154.

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

It is an interprime number because it is at equal distance from previous prime (451404040487) and next prime (451404040517).

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, 112851010124 + ... + 112851010127.

It is an arithmetic number, because the mean of its divisors is an integer number (169276515189).

Almost surely, 2^451404040502 is an apocalyptic number.

451404040502 is a deficient number, since it is larger than the sum of its proper divisors (225702020254).

451404040502 is a wasteful number, since it uses less digits than its factorization.

451404040502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225702020253.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 451404040502 its reverse (205040404154), we get a palindrome (656444444656).

The spelling of 451404040502 in words is "four hundred fifty-one billion, four hundred four million, forty thousand, five hundred two".