42261790451 has 8 divisors (see below), whose sum is σ = 43721732880. Its totient is φ = 40802024032.

The previous prime is 42261790423. The next prime is 42261790471. The reversal of 42261790451 is 15409716224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42261790451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42261790399 and 42261790408.

It is not an unprimeable number, because it can be changed into a prime (42261790411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608936 + ... + 674778.

It is an arithmetic number, because the mean of its divisors is an integer number (5465216610).

Almost surely, 2^42261790451 is an apocalyptic number.

42261790451 is a deficient number, since it is larger than the sum of its proper divisors (1459942429).

42261790451 is a wasteful number, since it uses less digits than its factorization.

42261790451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88005.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 42261790451 in words is "forty-two billion, two hundred sixty-one million, seven hundred ninety thousand, four hundred fifty-one".