42520210755 has 16 divisors (see below), whose sum is σ = 74217095424. Its totient is φ = 20615859680.

The previous prime is 42520210723. The next prime is 42520210781. The reversal of 42520210755 is 55701202524.

It is not a de Polignac number, because 42520210755 - 2⁵ = 42520210723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128848959 + ... + 128849288.

It is an arithmetic number, because the mean of its divisors is an integer number (4638568464).

Almost surely, 2^42520210755 is an apocalyptic number.

42520210755 is a deficient number, since it is larger than the sum of its proper divisors (31696884669).

42520210755 is a wasteful number, since it uses less digits than its factorization.

42520210755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257698266.

The product of its (nonzero) digits is 28000, while the sum is 33.

The spelling of 42520210755 in words is "forty-two billion, five hundred twenty million, two hundred ten thousand, seven hundred fifty-five".