11702021440 has 56 divisors (see below), whose sum is σ = 27943332480. Its totient is φ = 4667724288.

The previous prime is 11702021423. The next prime is 11702021447. The reversal of 11702021440 is 4412020711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11702021447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63949 + ... + 165811.

It is an arithmetic number, because the mean of its divisors is an integer number (498988080).

Almost surely, 2^11702021440 is an apocalyptic number.

11702021440 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 11702021440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13971666240).

11702021440 is an abundant number, since it is smaller than the sum of its proper divisors (16241311040).

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

11702021440 is a wasteful number, since it uses less digits than its factorization.

11702021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102239 (or 102229 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The spelling of 11702021440 in words is "eleven billion, seven hundred two million, twenty-one thousand, four hundred forty".