42729614340 has 96 divisors (see below), whose sum is σ = 137944961280. Its totient is φ = 9680326656.

The previous prime is 42729614339. The next prime is 42729614381. The reversal of 42729614340 is 4341692724.

It is a super-3 number, since 3×42729614340³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 42729614292 and 42729614301.

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, 402705 + ... + 497624.

It is an arithmetic number, because the mean of its divisors is an integer number (1436926680).

Almost surely, 2^42729614340 is an apocalyptic number.

It is an amenable number.

42729614340 is an abundant number, since it is smaller than the sum of its proper divisors (95215346940).

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

42729614340 is a wasteful number, since it uses less digits than its factorization.

42729614340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900461 (or 900459 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 42729614340 in words is "forty-two billion, seven hundred twenty-nine million, six hundred fourteen thousand, three hundred forty".