1474121701640 has 96 divisors (see below), whose sum is σ = 3861842987520. Its totient is φ = 504947463552.

The previous prime is 1474121701639. The next prime is 1474121701649. The reversal of 1474121701640 is 461071214741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1474121701594 and 1474121701603.

It is not an unprimeable number, because it can be changed into a prime (1474121701649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1784567 + ... + 2476473.

It is an arithmetic number, because the mean of its divisors is an integer number (40227531120).

Almost surely, 2^{1474121701640} is an apocalyptic number.

1474121701640 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 1474121701640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930921493760).

1474121701640 is an abundant number, since it is smaller than the sum of its proper divisors (2387721285880).

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

1474121701640 is a wasteful number, since it uses less digits than its factorization.

1474121701640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693019 (or 693008 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 1474121701640 in words is "one trillion, four hundred seventy-four billion, one hundred twenty-one million, seven hundred one thousand, six hundred forty".