449012998242 has 16 divisors (see below), whose sum is σ = 997806662880. Its totient is φ = 149670999396.

The previous prime is 449012998223. The next prime is 449012998283. The reversal of 449012998242 is 242899210944.

It is a happy number.

449012998242 is a `hidden beast` number, since 4 + 490 + 1 + 29 + 98 + 2 + 42 = 666.

It is a super-2 number, since 2×449012998242² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 8315055523 = 449012998242 / (4 + 4 + 9 + 0 + 1 + 2 + 9 + 9 + 8 + 2 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4157527708 + ... + 4157527815.

It is an arithmetic number, because the mean of its divisors is an integer number (62362916430).

Almost surely, 2^449012998242 is an apocalyptic number.

449012998242 is an abundant number, since it is smaller than the sum of its proper divisors (548793664638).

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

449012998242 is a wasteful number, since it uses less digits than its factorization.

449012998242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315055534 (or 8315055528 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 449012998242 in words is "four hundred forty-nine billion, twelve million, nine hundred ninety-eight thousand, two hundred forty-two".