42780375154045 has 16 divisors (see below), whose sum is σ = 52589971913472. Its totient is φ = 33388663834240.

The previous prime is 42780375154043. The next prime is 42780375154087. The reversal of 42780375154045 is 54045157308724.

It is not a de Polignac number, because 42780375154045 - 2¹ = 42780375154043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42780375154043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4894704 + ... + 10465126.

It is an arithmetic number, because the mean of its divisors is an integer number (3286873244592).

Almost surely, 2^{42780375154045} is an apocalyptic number.

It is an amenable number.

42780375154045 is a deficient number, since it is larger than the sum of its proper divisors (9809596759427).

42780375154045 is a wasteful number, since it uses less digits than its factorization.

42780375154045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607932.

The product of its (nonzero) digits is 18816000, while the sum is 55.

The spelling of 42780375154045 in words is "forty-two trillion, seven hundred eighty billion, three hundred seventy-five million, one hundred fifty-four thousand, forty-five".