42420150461 has 64 divisors (see below), whose sum is σ = 50055667200. Its totient is φ = 35647589376.

The previous prime is 42420150401. The next prime is 42420150467. The reversal of 42420150461 is 16405102424.

42420150461 = 10419² + 10420² + ... + 10795².

It is a cyclic number.

It is not a de Polignac number, because 42420150461 - 2¹⁸ = 42419888317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420150467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118161800 + ... + 118162158.

It is an arithmetic number, because the mean of its divisors is an integer number (782119800).

Almost surely, 2^42420150461 is an apocalyptic number.

It is an amenable number.

42420150461 is a deficient number, since it is larger than the sum of its proper divisors (7635516739).

42420150461 is a wasteful number, since it uses less digits than its factorization.

42420150461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 42420150461 its reverse (16405102424), we get a palindrome (58825252885).

The spelling of 42420150461 in words is "forty-two billion, four hundred twenty million, one hundred fifty thousand, four hundred sixty-one".