42840951 has 8 divisors (see below), whose sum is σ = 57763440. Its totient is φ = 28239552.

The previous prime is 42840949. The next prime is 42840997. The reversal of 42840951 is 15904824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42840951 - 2¹ = 42840949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42840151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79960 + ... + 80493.

It is an arithmetic number, because the mean of its divisors is an integer number (7220430).

Almost surely, 2^42840951 is an apocalyptic number.

42840951 is a deficient number, since it is larger than the sum of its proper divisors (14922489).

42840951 is a wasteful number, since it uses less digits than its factorization.

42840951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160545.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42840951 is about 6545.2999167341. The cubic root of 42840951 is about 349.9073251231.

The spelling of 42840951 in words is "forty-two million, eight hundred forty thousand, nine hundred fifty-one".