46155221420 has 192 divisors, whose sum is σ = 127574092800. Its totient is φ = 13589130240.

The previous prime is 46155221419. The next prime is 46155221443. The reversal of 46155221420 is 2412255164.

46155221420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10911866 + ... + 10916094.

It is an arithmetic number, because the mean of its divisors is an integer number (664448400).

Almost surely, 2^46155221420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46155221420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63787046400).

46155221420 is an abundant number, since it is smaller than the sum of its proper divisors (81418871380).

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

46155221420 is a wasteful number, since it uses less digits than its factorization.

46155221420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648 (or 4646 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 46155221420 its reverse (2412255164), we get a palindrome (48567476584).

The spelling of 46155221420 in words is "forty-six billion, one hundred fifty-five million, two hundred twenty-one thousand, four hundred twenty".