1400262035440 has 40 divisors (see below), whose sum is σ = 3260868813360. Its totient is φ = 559199940096.

The previous prime is 1400262035437. The next prime is 1400262035441. The reversal of 1400262035440 is 445302620041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400262035441) 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, 14088829 + ... + 14187868.

It is an arithmetic number, because the mean of its divisors is an integer number (81521720334).

Almost surely, 2^{1400262035440} is an apocalyptic number.

1400262035440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400262035440 is an abundant number, since it is smaller than the sum of its proper divisors (1860606777920).

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

1400262035440 is a wasteful number, since it uses less digits than its factorization.

1400262035440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28277329 (or 28277323 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1400262035440 its reverse (445302620041), we get a palindrome (1845564655481).

The spelling of 1400262035440 in words is "one trillion, four hundred billion, two hundred sixty-two million, thirty-five thousand, four hundred forty".