1240201400 has 96 divisors (see below), whose sum is σ = 3021235200. Its totient is φ = 472560000.

The previous prime is 1240201393. The next prime is 1240201411. The reversal of 1240201400 is 41020421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1651025 + ... + 1651775.

It is an arithmetic number, because the mean of its divisors is an integer number (31471200).

Almost surely, 2^1240201400 is an apocalyptic number.

1240201400 is a gapful number since it is divisible by the number (10) 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 1240201400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510617600).

1240201400 is an abundant number, since it is smaller than the sum of its proper divisors (1781033800).

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

1240201400 is a wasteful number, since it uses less digits than its factorization.

1240201400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1240201400 is about 35216.4932950457. The cubic root of 1240201400 is about 1074.3952322182.

Adding to 1240201400 its reverse (41020421), we get a palindrome (1281221821).

The spelling of 1240201400 in words is "one billion, two hundred forty million, two hundred one thousand, four hundred".