42878535253401 has 16 divisors (see below), whose sum is σ = 59011610864000. Its totient is φ = 27673339592448.

The previous prime is 42878535253399. The next prime is 42878535253423. The reversal of 42878535253401 is 10435253587824.

It is not a de Polignac number, because 42878535253401 - 2¹ = 42878535253399 is a prime.

It is a super-3 number, since 3×42878535253401³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42878535253471) 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, 970563616 + ... + 970607793.

It is an arithmetic number, because the mean of its divisors is an integer number (3688225679000).

Almost surely, 2^{42878535253401} is an apocalyptic number.

It is an amenable number.

42878535253401 is a deficient number, since it is larger than the sum of its proper divisors (16133075610599).

42878535253401 is a wasteful number, since it uses less digits than its factorization.

42878535253401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941171648.

The product of its (nonzero) digits is 32256000, while the sum is 57.

The spelling of 42878535253401 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, two hundred fifty-three thousand, four hundred one".