21460516213324 has 48 divisors (see below), whose sum is σ = 37784820842496. Its totient is φ = 10665095515200.

The previous prime is 21460516213277. The next prime is 21460516213387. The reversal of 21460516213324 is 42331261506412.

It is a super-2 number, since 2×21460516213324² (a number of 27 digits) contains 22 as substring.

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, 625599157 + ... + 625633459.

It is an arithmetic number, because the mean of its divisors is an integer number (787183767552).

Almost surely, 2^{21460516213324} is an apocalyptic number.

It is an amenable number.

21460516213324 is a deficient number, since it is larger than the sum of its proper divisors (16324304629172).

21460516213324 is a wasteful number, since it uses less digits than its factorization.

21460516213324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36046 (or 36044 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 21460516213324 its reverse (42331261506412), we get a palindrome (63791777719736).

The spelling of 21460516213324 in words is "twenty-one trillion, four hundred sixty billion, five hundred sixteen million, two hundred thirteen thousand, three hundred twenty-four".