42478239510 has 448 divisors, whose sum is σ = 135986688000. Its totient is φ = 9348742656.

The previous prime is 42478239481. The next prime is 42478239511. The reversal of 42478239510 is 1593287424.

42478239510 is a `hidden beast` number, since 4 + 24 + 7 + 82 + 39 + 510 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42478239511) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 213458391 + ... + 213458589.

Almost surely, 2^42478239510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42478239510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67993344000).

42478239510 is an abundant number, since it is smaller than the sum of its proper divisors (93508448490).

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

42478239510 is a wasteful number, since it uses less digits than its factorization.

42478239510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 42478239510 in words is "forty-two billion, four hundred seventy-eight million, two hundred thirty-nine thousand, five hundred ten".