42102615654 has 96 divisors (see below), whose sum is σ = 101410571808. Its totient is φ = 12516480000.

The previous prime is 42102615649. The next prime is 42102615689. The reversal of 42102615654 is 45651620124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4838932 + ... + 4847624.

It is an arithmetic number, because the mean of its divisors is an integer number (1056360123).

Almost surely, 2^42102615654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42102615654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50705285904).

42102615654 is an abundant number, since it is smaller than the sum of its proper divisors (59307956154).

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

42102615654 is a wasteful number, since it uses less digits than its factorization.

42102615654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174 (or 9171 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

It can be divided in two parts, 42102 and 615654, that added together give a palindrome (657756).

The spelling of 42102615654 in words is "forty-two billion, one hundred two million, six hundred fifteen thousand, six hundred fifty-four".