152371667640 has 32 divisors (see below), whose sum is σ = 457115003280. Its totient is φ = 40632444672.

The previous prime is 152371667633. The next prime is 152371667647. The reversal of 152371667640 is 46766173251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (152371667633) and next prime (152371667647).

It is a self number, because there is not a number n which added to its sum of digits gives 152371667640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152371667647) 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, 634881829 + ... + 634882068.

Almost surely, 2^152371667640 is an apocalyptic number.

152371667640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152371667640 is an abundant number, since it is smaller than the sum of its proper divisors (304743335640).

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

152371667640 is a wasteful number, since it uses less digits than its factorization.

152371667640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269763911 (or 1269763907 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 152371667640 in words is "one hundred fifty-two billion, three hundred seventy-one million, six hundred sixty-seven thousand, six hundred forty".