50420040 has 64 divisors (see below), whose sum is σ = 165015360. Its totient is φ = 12222720.

The previous prime is 50420023. The next prime is 50420057. The reversal of 50420040 is 4002405.

It is an interprime number because it is at equal distance from previous prime (50420023) and next prime (50420057).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17779 + ... + 20418.

It is an arithmetic number, because the mean of its divisors is an integer number (2578365).

Almost surely, 2^50420040 is an apocalyptic number.

It is an amenable number.

50420040 is an abundant number, since it is smaller than the sum of its proper divisors (114595320).

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

50420040 is a wasteful number, since it uses less digits than its factorization.

50420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38222 (or 38218 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 50420040 is about 7100.7070070522. The cubic root of 50420040 is about 369.4319015011.

Adding to 50420040 its reverse (4002405), we get a palindrome (54422445).

The spelling of 50420040 in words is "fifty million, four hundred twenty thousand, forty".