42240010034402 has 4 divisors (see below), whose sum is σ = 63360015051606. Its totient is φ = 21120005017200.

The previous prime is 42240010034389. The next prime is 42240010034413. The reversal of 42240010034402 is 20443001004224.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 35173190628601 + 7066819405801 = 5930699^2 + 2658349^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560002508599 + ... + 10560002508602.

Almost surely, 2^{42240010034402} is an apocalyptic number.

42240010034402 is a deficient number, since it is larger than the sum of its proper divisors (21120005017204).

42240010034402 is a wasteful number, since it uses less digits than its factorization.

42240010034402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21120005017203.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42240010034402 its reverse (20443001004224), we get a palindrome (62683011038626).

The spelling of 42240010034402 in words is "forty-two trillion, two hundred forty billion, ten million, thirty-four thousand, four hundred two".