1902455078088 has 128 divisors (see below), whose sum is σ = 5067709194240. Its totient is φ = 594155328000.

The previous prime is 1902455078087. The next prime is 1902455078101. The reversal of 1902455078088 is 8808705542091.

It is not an unprimeable number, because it can be changed into a prime (1902455078087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3757981 + ... + 4234067.

It is an arithmetic number, because the mean of its divisors is an integer number (39591478080).

Almost surely, 2^{1902455078088} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902455078088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533854597120).

1902455078088 is an abundant number, since it is smaller than the sum of its proper divisors (3165254116152).

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

1902455078088 is a wasteful number, since it uses less digits than its factorization.

1902455078088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476299 (or 476295 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 1902455078088 in words is "one trillion, nine hundred two billion, four hundred fifty-five million, seventy-eight thousand, eighty-eight".