245392741440 has 336 divisors, whose sum is σ = 1052321512320. Its totient is φ = 50990653440.

The previous prime is 245392741439. The next prime is 245392741457. The reversal of 245392741440 is 44147293542.

245392741440 is a `hidden beast` number, since 2 + 4 + 53 + 92 + 74 + 1 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331525 + ... + 775044.

Almost surely, 2^245392741440 is an apocalyptic number.

245392741440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245392741440 is an abundant number, since it is smaller than the sum of its proper divisors (806928770880).

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

245392741440 is a wasteful number, since it uses less digits than its factorization.

245392741440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106610 (or 1106597 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 245392741440 in words is "two hundred forty-five billion, three hundred ninety-two million, seven hundred forty-one thousand, four hundred forty".