42015403510140 has 96 divisors (see below), whose sum is σ = 120828233594880. Its totient is φ = 10900792256256.

The previous prime is 42015403510133. The next prime is 42015403510187. The reversal of 42015403510140 is 4101530451024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42015403510098 and 42015403510107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49088371 + ... + 49936949.

It is an arithmetic number, because the mean of its divisors is an integer number (1258627433280).

Almost surely, 2^{42015403510140} is an apocalyptic number.

It is an amenable number.

42015403510140 is an abundant number, since it is smaller than the sum of its proper divisors (78812830084740).

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

42015403510140 is a wasteful number, since it uses less digits than its factorization.

42015403510140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870931 (or 870929 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 42015403510140 its reverse (4101530451024), we get a palindrome (46116933961164).

The spelling of 42015403510140 in words is "forty-two trillion, fifteen billion, four hundred three million, five hundred ten thousand, one hundred forty".