103387946640 has 720 divisors, whose sum is σ = 381064943616. Its totient is φ = 23162388480.

The previous prime is 103387946639. The next prime is 103387946671. The reversal of 103387946640 is 46649783301.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 814078257 + ... + 814078383.

Almost surely, 2^103387946640 is an apocalyptic number.

103387946640 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 103387946640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190532471808).

103387946640 is an abundant number, since it is smaller than the sum of its proper divisors (277676996976).

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

103387946640 is a wasteful number, since it uses less digits than its factorization.

103387946640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 103387946640 in words is "one hundred three billion, three hundred eighty-seven million, nine hundred forty-six thousand, six hundred forty".