1463918309940 has 24 divisors (see below), whose sum is σ = 4098971268000. Its totient is φ = 390378215968.

The previous prime is 1463918309929. The next prime is 1463918309941. The reversal of 1463918309940 is 499038193641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463918309941) 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, 12199319190 + ... + 12199319309.

It is an arithmetic number, because the mean of its divisors is an integer number (170790469500).

Almost surely, 2^{1463918309940} is an apocalyptic number.

1463918309940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1463918309940 is an abundant number, since it is smaller than the sum of its proper divisors (2635052958060).

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

1463918309940 is a wasteful number, since it uses less digits than its factorization.

1463918309940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24398638511 (or 24398638509 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 1463918309940 in words is "one trillion, four hundred sixty-three billion, nine hundred eighteen million, three hundred nine thousand, nine hundred forty".