42394526390900 has 36 divisors (see below), whose sum is σ = 91997405583468. Its totient is φ = 16957574000640.

The previous prime is 42394526390893. The next prime is 42394526390927. The reversal of 42394526390900 is 909362549324.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3229884707344 + 39164641683556 = 1797188^2 + 6258166^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4337042 + ... + 10178358.

Almost surely, 2^{42394526390900} is an apocalyptic number.

It is an amenable number.

42394526390900 is an abundant number, since it is smaller than the sum of its proper divisors (49602879192568).

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

42394526390900 is a wasteful number, since it uses less digits than its factorization.

42394526390900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913908 (or 5913901 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 42394526390900 in words is "forty-two trillion, three hundred ninety-four billion, five hundred twenty-six million, three hundred ninety thousand, nine hundred".