213260503040 has 192 divisors, whose sum is σ = 553450060800. Its totient is φ = 78401175552.

The previous prime is 213260502971. The next prime is 213260503117. The reversal of 213260503040 is 40305062312.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 31812329 + ... + 31819031.

It is an arithmetic number, because the mean of its divisors is an integer number (2882552400).

Almost surely, 2^213260503040 is an apocalyptic number.

213260503040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213260503040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276725030400).

213260503040 is an abundant number, since it is smaller than the sum of its proper divisors (340189557760).

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

213260503040 is a wasteful number, since it uses less digits than its factorization.

213260503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6962 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 213260503040 its reverse (40305062312), we get a palindrome (253565565352).

The spelling of 213260503040 in words is "two hundred thirteen billion, two hundred sixty million, five hundred three thousand, forty".