245401011772 has 48 divisors (see below), whose sum is σ = 491850539712. Its totient is φ = 104947384320.

The previous prime is 245401011721. The next prime is 245401011803. The reversal of 245401011772 is 277110104542.

It is a super-3 number, since 3×245401011772³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46536528 + ... + 46541800.

It is an arithmetic number, because the mean of its divisors is an integer number (10246886244).

Almost surely, 2^245401011772 is an apocalyptic number.

It is an amenable number.

245401011772 is an abundant number, since it is smaller than the sum of its proper divisors (246449527940).

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

245401011772 is a wasteful number, since it uses less digits than its factorization.

245401011772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518 (or 8516 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 245401011772 in words is "two hundred forty-five billion, four hundred one million, eleven thousand, seven hundred seventy-two".