46405420 has 24 divisors (see below), whose sum is σ = 97605648. Its totient is φ = 18532800.

The previous prime is 46405379. The next prime is 46405433. The reversal of 46405420 is 2450464.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14790 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (4066902).

Almost surely, 2^46405420 is an apocalyptic number.

It is an amenable number.

46405420 is an abundant number, since it is smaller than the sum of its proper divisors (51200228).

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

46405420 is a wasteful number, since it uses less digits than its factorization.

46405420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 46405420 is about 6812.1523764520. The cubic root of 46405420 is about 359.3543468408.

Adding to 46405420 its reverse (2450464), we get a palindrome (48855884).

The spelling of 46405420 in words is "forty-six million, four hundred five thousand, four hundred twenty".