450051251511246 has 64 divisors (see below), whose sum is σ = 1143379410909696. Its totient is φ = 114690835958400.

The previous prime is 450051251511157. The next prime is 450051251511419. The reversal of 450051251511246 is 642115152150054.

It is a super-2 number, since 2×450051251511246² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 450051251511198 and 450051251511207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9189946345 + ... + 9189995316.

It is an arithmetic number, because the mean of its divisors is an integer number (17865303295464).

Almost surely, 2^{450051251511246} is an apocalyptic number.

450051251511246 is an abundant number, since it is smaller than the sum of its proper divisors (693328159398450).

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

450051251511246 is a wasteful number, since it uses less digits than its factorization.

450051251511246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18379941737.

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 450051251511246 in words is "four hundred fifty trillion, fifty-one billion, two hundred fifty-one million, five hundred eleven thousand, two hundred forty-six".