1072157245240 has 32 divisors (see below), whose sum is σ = 2412387204480. Its totient is φ = 428856959872.

The previous prime is 1072157245231. The next prime is 1072157245249. The reversal of 1072157245240 is 425427512701.

It is an interprime number because it is at equal distance from previous prime (1072157245231) and next prime (1072157245249).

It is a super-2 number, since 2×1072157245240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1072157245193 and 1072157245202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072157245249) 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, 3791814 + ... + 4064746.

It is an arithmetic number, because the mean of its divisors is an integer number (75387100140).

Almost surely, 2^{1072157245240} is an apocalyptic number.

1072157245240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072157245240 is an abundant number, since it is smaller than the sum of its proper divisors (1340229959240).

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

1072157245240 is a wasteful number, since it uses less digits than its factorization.

1072157245240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371151 (or 371147 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 1072157245240 in words is "one trillion, seventy-two billion, one hundred fifty-seven million, two hundred forty-five thousand, two hundred forty".